Safe Design for Baby: The mini stroller fan's cover only has 5.5mm gaps, so it will protect the infant's little fingers from entering; While keeping toddlers safe, our fans work quietly and provide powerful wind Upgraded Flexible Durable Tripod: Shell made of food-grade silicone, safe for the baby; Optimized the tripod fixing method, which is more durable and not easy to fall off; You can remove the fan head to charge at will, no need to repeated fixation USB or Rechargeable Battery Operated: 2000 mAh capacity can last from 3.5 to 10 hours(Depending on speeds), can be used while charging; suit for bedrooms, desktops, strollers, camping, car seats, cribs, your camping, beach travel essentials Strong Wind & Low Noise: Built-in powerful brushless motor, has a long service life; fan blades and fan cover have been upgraded according to the principle of aerodynamics, which can support powerful airflow but also make the fan operate quietly